#if !UNITY_WINRT || UNITY_EDITOR || UNITY_WP8

#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
#pragma warning disable 436
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Utilities;
using Newtonsoft.Json.Linq;
using System.Runtime.CompilerServices;

namespace Newtonsoft.Json.Serialization
{
	internal struct ResolverContractKey : IEquatable<ResolverContractKey>
	{
		private readonly Type _resolverType;
		private readonly Type _contractType;

		public ResolverContractKey(Type resolverType, Type contractType)
		{
			_resolverType = resolverType;
			_contractType = contractType;
		}

		public override int GetHashCode()
		{
			return _resolverType.GetHashCode() ^ _contractType.GetHashCode();
		}

		public override bool Equals(object obj)
		{
			if (!(obj is ResolverContractKey))
				return false;

			return Equals((ResolverContractKey)obj);
		}

		public bool Equals(ResolverContractKey other)
		{
			return (_resolverType == other._resolverType && _contractType == other._contractType);
		}
	}

	/// <summary>
	/// Used by <see cref="JsonSerializer"/> to resolves a <see cref="JsonContract"/> for a given <see cref="Type"/>.
	/// </summary>
	public class DefaultContractResolver : IContractResolver
	{
		private static readonly IContractResolver _instance = new DefaultContractResolver(true);
		internal static IContractResolver Instance
		{
			get { return _instance; }
		}
		private static readonly IList<JsonConverter> BuiltInConverters = new List<JsonConverter>
{
new KeyValuePairConverter(),
#if !(UNITY_ANDROID || (UNITY_IOS || UNITY_IPHONE || JSONNET_XMLDISABLE || UNITY_WP8 || UNITY_WINRT))
new XmlNodeConverter(),
#endif
new BsonObjectIdConverter()
};
#if !(UNITY_IOS || UNITY_IPHONE)
private static Dictionary<ResolverContractKey, JsonContract> _sharedContractCache;
private static readonly object _typeContractCacheLock = new object();
private Dictionary<ResolverContractKey, JsonContract> _instanceContractCache;
private readonly bool _sharedCache;
		
#else
		private readonly ThreadSafeStore<Type, JsonContract> _typeContractCache;
#endif

		/// <summary>
		/// Gets a value indicating whether members are being get and set using dynamic code generation.
		/// This value is determined by the runtime permissions available.
		/// </summary>
		/// <value>
		/// 	<c>true</c> if using dynamic code generation; otherwise, <c>false</c>.
		/// </value>
		public bool DynamicCodeGeneration
		{
			get { return JsonTypeReflector.DynamicCodeGeneration; }
		}

		/// <summary>
		/// Gets or sets the default members search flags.
		/// </summary>
		/// <value>The default members search flags.</value>
		public BindingFlags DefaultMembersSearchFlags { get; set; }

		/// <summary>
		/// Gets or sets a value indicating whether compiler generated members should be serialized.
		/// </summary>
		/// <value>
		/// 	<c>true</c> if serialized compiler generated members; otherwise, <c>false</c>.
		/// </value>
		public bool SerializeCompilerGeneratedMembers { get; set; }

		/// <summary>
		/// Initializes a new instance of the <see cref="DefaultContractResolver"/> class.
		/// </summary>
		public DefaultContractResolver()
			: this(false)
		{
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="DefaultContractResolver"/> class.
		/// </summary>
		/// <param name="shareCache">
		/// If set to <c>true</c> the <see cref="DefaultContractResolver"/> will use a cached shared with other resolvers of the same type.
		/// Sharing the cache will significantly performance because expensive reflection will only happen once but could cause unexpected
		/// behavior if different instances of the resolver are suppose to produce different results. When set to false it is highly
		/// recommended to reuse <see cref="DefaultContractResolver"/> instances with the <see cref="JsonSerializer"/>.
		/// </param>
		public DefaultContractResolver(bool shareCache)
		{
			DefaultMembersSearchFlags = BindingFlags.Public | BindingFlags.Instance;
#if !(UNITY_IOS || UNITY_IPHONE)
_sharedCache = shareCache;
#else
			_typeContractCache = new ThreadSafeStore<Type, JsonContract>(CreateContract);
#endif

		}
#if !(UNITY_IOS || UNITY_IPHONE)
private Dictionary<ResolverContractKey, JsonContract> GetCache()
{
if (_sharedCache)
return _sharedContractCache;
else
return _instanceContractCache;
}

private void UpdateCache(Dictionary<ResolverContractKey, JsonContract> cache)
{
if (_sharedCache)
_sharedContractCache = cache;
else
_instanceContractCache = cache;
}
#endif

		/// <summary>
		/// Resolves the contract for a given type.
		/// </summary>
		/// <param name="type">The type to resolve a contract for.</param>
		/// <returns>The contract for a given type.</returns>
		public virtual JsonContract ResolveContract(Type type)
		{
			if (type == null)
				throw new ArgumentNullException("type");

#if (UNITY_IOS || UNITY_IPHONE)
			return _typeContractCache.Get(type);
#else
JsonContract contract;
ResolverContractKey key = new ResolverContractKey(GetType(), type);
Dictionary<ResolverContractKey, JsonContract> cache = GetCache();
if (cache == null || !cache.TryGetValue(key, out contract))
{
contract = CreateContract(type);
// avoid the possibility of modifying the cache dictionary while another thread is accessing it
lock (_typeContractCacheLock)
{
cache = GetCache();	
Dictionary<ResolverContractKey, JsonContract> updatedCache =
(cache != null)
    ? new Dictionary<ResolverContractKey, JsonContract>(cache)
    : new Dictionary<ResolverContractKey, JsonContract>();
updatedCache[key] = contract;
UpdateCache(updatedCache);
}
}	
      
return contract;
#endif
		}

		/// <summary>
		/// Gets the serializable members for the type.
		/// </summary>
		/// <param name="objectType">The type to get serializable members for.</param>
		/// <returns>The serializable members for the type.</returns>
		protected virtual List<MemberInfo> GetSerializableMembers(Type objectType)
		{
			DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(objectType);

			List<MemberInfo> defaultMembers = ReflectionUtils.GetFieldsAndProperties(objectType, DefaultMembersSearchFlags)
				.Where(m => !ReflectionUtils.IsIndexedProperty(m)).ToList();
			List<MemberInfo> allMembers = ReflectionUtils.GetFieldsAndProperties(objectType, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static)
				.Where(m => !ReflectionUtils.IsIndexedProperty(m)).ToList();

			List<MemberInfo> serializableMembers = new List<MemberInfo>();
			foreach (MemberInfo member in allMembers)
			{
				// exclude members that are compiler generated if set
				if (SerializeCompilerGeneratedMembers || !member.IsDefined(typeof(CompilerGeneratedAttribute), true))
				{
					if (defaultMembers.Contains(member))
					{
						// add all members that are found by default member search
						serializableMembers.Add(member);
					}
					else
					{
						// add members that are explicitly marked with JsonProperty/DataMember attribute
						if (JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(member) != null)
							serializableMembers.Add(member);
						else if (dataContractAttribute != null && JsonTypeReflector.GetAttribute<DataMemberAttribute>(member) != null)
							serializableMembers.Add(member);

					}
				}
			}

			Type match;
			// don't include EntityKey on entities objects... this is a bit hacky
			if (objectType.AssignableToTypeName("System.Data.Objects.DataClasses.EntityObject", out match))
				serializableMembers = serializableMembers.Where(ShouldSerializeEntityMember).ToList();

			return serializableMembers;
		}

		private bool ShouldSerializeEntityMember(MemberInfo memberInfo)
		{
			PropertyInfo propertyInfo = memberInfo as PropertyInfo;
			if (propertyInfo != null)
			{
				if (propertyInfo.PropertyType.IsGenericType && propertyInfo.PropertyType.GetGenericTypeDefinition().FullName == "System.Data.Objects.DataClasses.EntityReference`1")
					return false;
			}

			return true;
		}

		/// <summary>
		/// Creates a <see cref="JsonObjectContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonObjectContract"/> for the given type.</returns>
		protected virtual JsonObjectContract CreateObjectContract(Type objectType)
		{
			JsonObjectContract contract = new JsonObjectContract(objectType);
			InitializeContract(contract);

			contract.MemberSerialization = JsonTypeReflector.GetObjectMemberSerialization(objectType);
			contract.Properties.AddRange(CreateProperties(contract.UnderlyingType, contract.MemberSerialization));

			// check if a JsonConstructorAttribute has been defined and use that
			if (objectType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).Any(c => c.IsDefined(typeof(JsonConstructorAttribute), true)))
			{
				ConstructorInfo constructor = GetAttributeConstructor(objectType);
				if (constructor != null)
				{
					contract.OverrideConstructor = constructor;
					contract.ConstructorParameters.AddRange(CreateConstructorParameters(constructor, contract.Properties));
				}
			}
			else if (contract.DefaultCreator == null || contract.DefaultCreatorNonPublic)
			{
				ConstructorInfo constructor = GetParametrizedConstructor(objectType);
				if (constructor != null)
				{
					contract.ParametrizedConstructor = constructor;
					contract.ConstructorParameters.AddRange(CreateConstructorParameters(constructor, contract.Properties));
				}
			}
			return contract;
		}

		private ConstructorInfo GetAttributeConstructor(Type objectType)
		{
			IList<ConstructorInfo> markedConstructors = objectType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).Where(c => c.IsDefined(typeof(JsonConstructorAttribute), true)).ToList();

			if (markedConstructors.Count > 1)
				throw new Exception("Multiple constructors with the JsonConstructorAttribute.");
			else if (markedConstructors.Count == 1)
				return markedConstructors[0];

			return null;
		}

		private ConstructorInfo GetParametrizedConstructor(Type objectType)
		{
			IList<ConstructorInfo> constructors = objectType.GetConstructors(BindingFlags.Public | BindingFlags.Instance);

			if (constructors.Count == 1)
				return constructors[0];
			else
				return null;
		}

		/// <summary>
		/// Creates the constructor parameters.
		/// </summary>
		/// <param name="constructor">The constructor to create properties for.</param>
		/// <param name="memberProperties">The type's member properties.</param>
		/// <returns>Properties for the given <see cref="ConstructorInfo"/>.</returns>
		protected virtual IList<JsonProperty> CreateConstructorParameters(ConstructorInfo constructor, JsonPropertyCollection memberProperties)
		{
			var constructorParameters = constructor.GetParameters();

			JsonPropertyCollection parameterCollection = new JsonPropertyCollection(constructor.DeclaringType);

			foreach (ParameterInfo parameterInfo in constructorParameters)
			{
				JsonProperty matchingMemberProperty = memberProperties.GetClosestMatchProperty(parameterInfo.Name);
				// type must match as well as name
				if (matchingMemberProperty != null && matchingMemberProperty.PropertyType != parameterInfo.ParameterType)
					matchingMemberProperty = null;

				JsonProperty property = CreatePropertyFromConstructorParameter(matchingMemberProperty, parameterInfo);

				if (property != null)
				{
					parameterCollection.AddProperty(property);
				}
			}

			return parameterCollection;
		}

		/// <summary>
		/// Creates a <see cref="JsonProperty"/> for the given <see cref="ParameterInfo"/>.
		/// </summary>
		/// <param name="matchingMemberProperty">The matching member property.</param>
		/// <param name="parameterInfo">The constructor parameter.</param>
		/// <returns>A created <see cref="JsonProperty"/> for the given <see cref="ParameterInfo"/>.</returns>
		protected virtual JsonProperty CreatePropertyFromConstructorParameter(JsonProperty matchingMemberProperty, ParameterInfo parameterInfo)
		{
			JsonProperty property = new JsonProperty();
			property.PropertyType = parameterInfo.ParameterType;

			bool allowNonPublicAccess;
			bool hasExplicitAttribute;
			SetPropertySettingsFromAttributes(property, parameterInfo, parameterInfo.Name, parameterInfo.Member.DeclaringType, MemberSerialization.OptOut, out allowNonPublicAccess, out hasExplicitAttribute);

			property.Readable = false;
			property.Writable = true;

			// "inherit" values from matching member property if unset on parameter
			if (matchingMemberProperty != null)
			{
				property.PropertyName = (property.PropertyName != parameterInfo.Name) ? property.PropertyName : matchingMemberProperty.PropertyName;
				property.Converter = property.Converter ?? matchingMemberProperty.Converter;
				property.MemberConverter = property.MemberConverter ?? matchingMemberProperty.MemberConverter;
				property.DefaultValue = property.DefaultValue ?? matchingMemberProperty.DefaultValue;
				property.Required = (property.Required != Required.Default) ? property.Required : matchingMemberProperty.Required;
				property.IsReference = property.IsReference ?? matchingMemberProperty.IsReference;
				property.NullValueHandling = property.NullValueHandling ?? matchingMemberProperty.NullValueHandling;
				property.DefaultValueHandling = property.DefaultValueHandling ?? matchingMemberProperty.DefaultValueHandling;
				property.ReferenceLoopHandling = property.ReferenceLoopHandling ?? matchingMemberProperty.ReferenceLoopHandling;
				property.ObjectCreationHandling = property.ObjectCreationHandling ?? matchingMemberProperty.ObjectCreationHandling;
				property.TypeNameHandling = property.TypeNameHandling ?? matchingMemberProperty.TypeNameHandling;
			}

			return property;
		}

		/// <summary>
		/// Resolves the default <see cref="JsonConverter" /> for the contract.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns></returns>
		protected virtual JsonConverter ResolveContractConverter(Type objectType)
		{
			return JsonTypeReflector.GetJsonConverter(objectType, objectType);
		}

		private Func<object> GetDefaultCreator(Type createdType)
		{
			return JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(createdType);
		}

		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Portability", "CA1903:UseOnlyApiFromTargetedFramework", MessageId = "System.Runtime.Serialization.DataContractAttribute.#get_IsReference()")]
		private void InitializeContract(JsonContract contract)
		{
			JsonContainerAttribute containerAttribute = JsonTypeReflector.GetJsonContainerAttribute(contract.UnderlyingType);
			if (containerAttribute != null)
			{
				contract.IsReference = containerAttribute._isReference;
			}
			else
			{
				DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(contract.UnderlyingType);
				// doesn't have a null value
				if (dataContractAttribute != null && dataContractAttribute.IsReference)
					contract.IsReference = true;
			}

			contract.Converter = ResolveContractConverter(contract.UnderlyingType);

			// then see whether object is compadible with any of the built in converters
			contract.InternalConverter = JsonSerializer.GetMatchingConverter(BuiltInConverters, contract.UnderlyingType);

			if (ReflectionUtils.HasDefaultConstructor(contract.CreatedType, true)
				|| contract.CreatedType.IsValueType)
			{
				contract.DefaultCreator = GetDefaultCreator(contract.CreatedType);

				contract.DefaultCreatorNonPublic = (!contract.CreatedType.IsValueType &&
													ReflectionUtils.GetDefaultConstructor(contract.CreatedType) == null);
			}

			ResolveCallbackMethods(contract, contract.UnderlyingType);
		}

		private void ResolveCallbackMethods(JsonContract contract, Type t)
		{
			if (t.BaseType != null)
				ResolveCallbackMethods(contract, t.BaseType);

			MethodInfo onSerializing;
			MethodInfo onSerialized;
			MethodInfo onDeserializing;
			MethodInfo onDeserialized;
			MethodInfo onError;

			GetCallbackMethodsForType(t, out onSerializing, out onSerialized, out onDeserializing, out onDeserialized, out onError);

			if (onSerializing != null)
				contract.OnSerializing = onSerializing;
			if (onSerialized != null)
				contract.OnSerialized = onSerialized;
			if (onDeserializing != null)
				contract.OnDeserializing = onDeserializing;
			if (onDeserialized != null)
				contract.OnDeserialized = onDeserialized;
			if (onError != null)
				contract.OnError = onError;
		}

		private void GetCallbackMethodsForType(Type type, out MethodInfo onSerializing, out MethodInfo onSerialized, out MethodInfo onDeserializing, out MethodInfo onDeserialized, out MethodInfo onError)
		{
			onSerializing = null;
			onSerialized = null;
			onDeserializing = null;
			onDeserialized = null;
			onError = null;

			foreach (MethodInfo method in type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
			{
				// compact framework errors when getting parameters for a generic method
				// lame, but generic methods should not be callbacks anyway
				if (method.ContainsGenericParameters)
					continue;

				Type prevAttributeType = null;
				ParameterInfo[] parameters = method.GetParameters();

				if (IsValidCallback(method, parameters, typeof(OnSerializingAttribute), onSerializing, ref prevAttributeType))
				{
					onSerializing = method;
				}
				if (IsValidCallback(method, parameters, typeof(OnSerializedAttribute), onSerialized, ref prevAttributeType))
				{
					onSerialized = method;
				}
				if (IsValidCallback(method, parameters, typeof(OnDeserializingAttribute), onDeserializing, ref prevAttributeType))
				{
					onDeserializing = method;
				}
				if (IsValidCallback(method, parameters, typeof(OnDeserializedAttribute), onDeserialized, ref prevAttributeType))
				{
					onDeserialized = method;
				}
				if (IsValidCallback(method, parameters, typeof(OnErrorAttribute), onError, ref prevAttributeType))
				{
					onError = method;
				}
			}
		}

		/// <summary>
		/// Creates a <see cref="JsonDictionaryContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonDictionaryContract"/> for the given type.</returns>
		protected virtual JsonDictionaryContract CreateDictionaryContract(Type objectType)
		{
			JsonDictionaryContract contract = new JsonDictionaryContract(objectType);
			InitializeContract(contract);

			contract.PropertyNameResolver = ResolvePropertyName;

			return contract;
		}

		/// <summary>
		/// Creates a <see cref="JsonArrayContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonArrayContract"/> for the given type.</returns>
		protected virtual JsonArrayContract CreateArrayContract(Type objectType)
		{
			JsonArrayContract contract = new JsonArrayContract(objectType);
			InitializeContract(contract);

			return contract;
		}

		/// <summary>
		/// Creates a <see cref="JsonPrimitiveContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonPrimitiveContract"/> for the given type.</returns>
		protected virtual JsonPrimitiveContract CreatePrimitiveContract(Type objectType)
		{
			JsonPrimitiveContract contract = new JsonPrimitiveContract(objectType);
			InitializeContract(contract);

			return contract;
		}

		/// <summary>
		/// Creates a <see cref="JsonLinqContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonLinqContract"/> for the given type.</returns>
		protected virtual JsonLinqContract CreateLinqContract(Type objectType)
		{
			JsonLinqContract contract = new JsonLinqContract(objectType);
			InitializeContract(contract);

			return contract;
		}
#if !((UNITY_WINRT && !UNITY_EDITOR) || UNITY_WP8)
		/// <summary>
		/// Creates a <see cref="JsonISerializableContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonISerializableContract"/> for the given type.</returns>
		protected virtual JsonISerializableContract CreateISerializableContract(Type objectType)
		{
			JsonISerializableContract contract = new JsonISerializableContract(objectType);
			InitializeContract(contract);

			ConstructorInfo constructorInfo = objectType.GetConstructor(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { typeof(SerializationInfo), typeof(StreamingContext) }, null);
			if (constructorInfo != null)
			{
				MethodCall<object, object> methodCall = JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(constructorInfo);

				contract.ISerializableCreator = (args => methodCall(null, args));
			}

			return contract;
		}
#endif

		/// <summary>
		/// Creates a <see cref="JsonStringContract"/> for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonStringContract"/> for the given type.</returns>
		protected virtual JsonStringContract CreateStringContract(Type objectType)
		{
			JsonStringContract contract = new JsonStringContract(objectType);
			InitializeContract(contract);

			return contract;
		}

		/// <summary>
		/// Determines which contract type is created for the given type.
		/// </summary>
		/// <param name="objectType">Type of the object.</param>
		/// <returns>A <see cref="JsonContract"/> for the given type.</returns>
		protected virtual JsonContract CreateContract(Type objectType)
		{
			Type t = ReflectionUtils.EnsureNotNullableType(objectType);

			if (JsonConvert.IsJsonPrimitiveType(t))
				return CreatePrimitiveContract(t);

			if (JsonTypeReflector.GetJsonObjectAttribute(t) != null)
				return CreateObjectContract(t);

			if (JsonTypeReflector.GetJsonArrayAttribute(t) != null)
				return CreateArrayContract(t);

			if (t == typeof(JToken) || t.IsSubclassOf(typeof(JToken)))
				return CreateLinqContract(t);

			if (CollectionUtils.IsDictionaryType(t))
				return CreateDictionaryContract(t);

			if (typeof(IEnumerable).IsAssignableFrom(t))
				return CreateArrayContract(t);

			if (CanConvertToString(t))
				return CreateStringContract(t);
			
#if !((UNITY_WINRT && !UNITY_EDITOR) || UNITY_WP8)			
			if (typeof(ISerializable).IsAssignableFrom(t))
				return CreateISerializableContract(t);
#endif
			return CreateObjectContract(t);
		}

		internal static bool CanConvertToString(Type type)
		{
#if !UNITY_WP8
			TypeConverter converter = ConvertUtils.GetConverter(type);

			// use the objectType's TypeConverter if it has one and can convert to a string
			if (converter != null
#if !UNITY_WP8
 && !(converter is ComponentConverter)
	   && !(converter is ReferenceConverter)
#endif
 && converter.GetType() != typeof(TypeConverter))
			{
				if (converter.CanConvertTo(typeof(string)))
					return true;
			}
#endif

			if (type == typeof(Type) || type.IsSubclassOf(typeof(Type)))
				return true;

#if UNITY_WP8
      if (type == typeof(Guid) || type == typeof(Uri) || type == typeof(TimeSpan))
        return true;
#endif

			return false;
		}

		private static bool IsValidCallback(MethodInfo method, ParameterInfo[] parameters, Type attributeType, MethodInfo currentCallback, ref Type prevAttributeType)
		{
			if (!method.IsDefined(attributeType, false))
				return false;

			if (currentCallback != null)
				throw new Exception("Invalid attribute. Both '{0}' and '{1}' in type '{2}' have '{3}'.".FormatWith(CultureInfo.InvariantCulture, method, currentCallback, GetClrTypeFullName(method.DeclaringType), attributeType));

			if (prevAttributeType != null)
				throw new Exception("Invalid Callback. Method '{3}' in type '{2}' has both '{0}' and '{1}'.".FormatWith(CultureInfo.InvariantCulture, prevAttributeType, attributeType, GetClrTypeFullName(method.DeclaringType), method));

			if (method.IsVirtual)
				throw new Exception("Virtual Method '{0}' of type '{1}' cannot be marked with '{2}' attribute.".FormatWith(CultureInfo.InvariantCulture, method, GetClrTypeFullName(method.DeclaringType), attributeType));

			if (method.ReturnType != typeof(void))
				throw new Exception("Serialization Callback '{1}' in type '{0}' must return void.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method));

			if (attributeType == typeof(OnErrorAttribute))
			{
				if (parameters == null || parameters.Length != 2 || parameters[0].ParameterType != typeof(StreamingContext) || parameters[1].ParameterType != typeof(ErrorContext))
					throw new Exception("Serialization Error Callback '{1}' in type '{0}' must have two parameters of type '{2}' and '{3}'.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method, typeof(StreamingContext), typeof(ErrorContext)));
			}
			else
			{
				if (parameters == null || parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
					throw new Exception("Serialization Callback '{1}' in type '{0}' must have a single parameter of type '{2}'.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method, typeof(StreamingContext)));
			}

			prevAttributeType = attributeType;

			return true;
		}

		internal static string GetClrTypeFullName(Type type)
		{
			if (type.IsGenericTypeDefinition || !type.ContainsGenericParameters)
				return type.FullName;

			return string.Format(CultureInfo.InvariantCulture, "{0}.{1}", new object[] { type.Namespace, type.Name });
		}

		/// <summary>
		/// Creates properties for the given <see cref="JsonContract"/>.
		/// </summary>
		/// <param name="type">The type to create properties for.</param>
		/// /// <param name="memberSerialization">The member serialization mode for the type.</param>
		/// <returns>Properties for the given <see cref="JsonContract"/>.</returns>
		protected virtual IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
		{
			List<MemberInfo> members = GetSerializableMembers(type);
			if (members == null)
				throw new JsonSerializationException("Null collection of seralizable members returned.");

			JsonPropertyCollection properties = new JsonPropertyCollection(type);

			foreach (MemberInfo member in members)
			{
				JsonProperty property = CreateProperty(member, memberSerialization);

				if (property != null)
					properties.AddProperty(property);
			}

			IList<JsonProperty> orderedProperties = properties.OrderBy(p => p.Order ?? -1).ToList();
			return orderedProperties;
		}

		/// <summary>
		/// Creates the <see cref="IValueProvider"/> used by the serializer to get and set values from a member.
		/// </summary>
		/// <param name="member">The member.</param>
		/// <returns>The <see cref="IValueProvider"/> used by the serializer to get and set values from a member.</returns>
		protected virtual IValueProvider CreateMemberValueProvider(MemberInfo member)
		{
			if (DynamicCodeGeneration)
				return new DynamicValueProvider(member);

			return new ReflectionValueProvider(member);
		}

		/// <summary>
		/// Creates a <see cref="JsonProperty"/> for the given <see cref="MemberInfo"/>.
		/// </summary>
		/// <param name="memberSerialization">The member's parent <see cref="MemberSerialization"/>.</param>
		/// <param name="member">The member to create a <see cref="JsonProperty"/> for.</param>
		/// <returns>A created <see cref="JsonProperty"/> for the given <see cref="MemberInfo"/>.</returns>
		protected virtual JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
		{
			JsonProperty property = new JsonProperty();
			property.PropertyType = ReflectionUtils.GetMemberUnderlyingType(member);
			property.ValueProvider = CreateMemberValueProvider(member);

			bool allowNonPublicAccess;
			bool hasExplicitAttribute;
			SetPropertySettingsFromAttributes(property, member, member.Name, member.DeclaringType, memberSerialization, out allowNonPublicAccess, out hasExplicitAttribute);

			property.Readable = ReflectionUtils.CanReadMemberValue(member, allowNonPublicAccess);
			property.Writable = ReflectionUtils.CanSetMemberValue(member, allowNonPublicAccess, hasExplicitAttribute);
			property.ShouldSerialize = CreateShouldSerializeTest(member);

			SetIsSpecifiedActions(property, member, allowNonPublicAccess);

			return property;
		}

		private void SetPropertySettingsFromAttributes(JsonProperty property, ICustomAttributeProvider attributeProvider, string name, Type declaringType, MemberSerialization memberSerialization, out bool allowNonPublicAccess, out bool hasExplicitAttribute)
		{
			hasExplicitAttribute = false;

			DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(declaringType);

			DataMemberAttribute dataMemberAttribute;
			if (dataContractAttribute != null && attributeProvider is MemberInfo)
				dataMemberAttribute = JsonTypeReflector.GetDataMemberAttribute((MemberInfo)attributeProvider);
			else
				dataMemberAttribute = null;

			JsonPropertyAttribute propertyAttribute = JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(attributeProvider);
			if (propertyAttribute != null)
				hasExplicitAttribute = true;

			bool hasIgnoreAttribute = (JsonTypeReflector.GetAttribute<JsonIgnoreAttribute>(attributeProvider) != null);

			string mappedName;
			if (propertyAttribute != null && propertyAttribute.PropertyName != null)
				mappedName = propertyAttribute.PropertyName;
			else if (dataMemberAttribute != null && dataMemberAttribute.Name != null)
				mappedName = dataMemberAttribute.Name;
			else
				mappedName = name;

			property.PropertyName = ResolvePropertyName(mappedName);
			property.UnderlyingName = name;

			if (propertyAttribute != null)
			{
				property.Required = propertyAttribute.Required;
				property.Order = propertyAttribute._order;
			}
			else if (dataMemberAttribute != null)
			{
				property.Required = (dataMemberAttribute.IsRequired) ? Required.AllowNull : Required.Default;
				property.Order = (dataMemberAttribute.Order != -1) ? (int?)dataMemberAttribute.Order : null;
			}
			else
			{
				property.Required = Required.Default;
			}

			property.Ignored = (hasIgnoreAttribute ||
							(memberSerialization == MemberSerialization.OptIn
								&& propertyAttribute == null
								&& dataMemberAttribute == null
			));

			// resolve converter for property
			// the class type might have a converter but the property converter takes presidence
			property.Converter = JsonTypeReflector.GetJsonConverter(attributeProvider, property.PropertyType);
			property.MemberConverter = JsonTypeReflector.GetJsonConverter(attributeProvider, property.PropertyType);

			DefaultValueAttribute defaultValueAttribute = JsonTypeReflector.GetAttribute<DefaultValueAttribute>(attributeProvider);
			property.DefaultValue = (defaultValueAttribute != null) ? defaultValueAttribute.Value : null;

			property.NullValueHandling = (propertyAttribute != null) ? propertyAttribute._nullValueHandling : null;
			property.DefaultValueHandling = (propertyAttribute != null) ? propertyAttribute._defaultValueHandling : null;
			property.ReferenceLoopHandling = (propertyAttribute != null) ? propertyAttribute._referenceLoopHandling : null;
			property.ObjectCreationHandling = (propertyAttribute != null) ? propertyAttribute._objectCreationHandling : null;
			property.TypeNameHandling = (propertyAttribute != null) ? propertyAttribute._typeNameHandling : null;
			property.IsReference = (propertyAttribute != null) ? propertyAttribute._isReference : null;

			allowNonPublicAccess = false;
			if ((DefaultMembersSearchFlags & BindingFlags.NonPublic) == BindingFlags.NonPublic)
				allowNonPublicAccess = true;
			if (propertyAttribute != null)
				allowNonPublicAccess = true;
			if (dataMemberAttribute != null)
			{
				allowNonPublicAccess = true;
				hasExplicitAttribute = true;
			}
		}

		private Predicate<object> CreateShouldSerializeTest(MemberInfo member)
		{
			MethodInfo shouldSerializeMethod = member.DeclaringType.GetMethod(JsonTypeReflector.ShouldSerializePrefix + member.Name, new Type[0]);

			if (shouldSerializeMethod == null || shouldSerializeMethod.ReturnType != typeof(bool))
				return null;

			MethodCall<object, object> shouldSerializeCall =
				JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(shouldSerializeMethod);

			return o => (bool)shouldSerializeCall(o);
		}

		private void SetIsSpecifiedActions(JsonProperty property, MemberInfo member, bool allowNonPublicAccess)
		{
			MemberInfo specifiedMember = member.DeclaringType.GetProperty(member.Name + JsonTypeReflector.SpecifiedPostfix);
			if (specifiedMember == null)
				specifiedMember = member.DeclaringType.GetField(member.Name + JsonTypeReflector.SpecifiedPostfix);

			if (specifiedMember == null || ReflectionUtils.GetMemberUnderlyingType(specifiedMember) != typeof(bool))
			{
				return;
			}

			Func<object, object> specifiedPropertyGet = JsonTypeReflector.ReflectionDelegateFactory.CreateGet<object>(specifiedMember);

			property.GetIsSpecified = o => (bool)specifiedPropertyGet(o);

			if (ReflectionUtils.CanSetMemberValue(specifiedMember, allowNonPublicAccess, false))
				property.SetIsSpecified = JsonTypeReflector.ReflectionDelegateFactory.CreateSet<object>(specifiedMember);
		}

		/// <summary>
		/// Resolves the name of the property.
		/// </summary>
		/// <param name="propertyName">Name of the property.</param>
		/// <returns>Name of the property.</returns>
		protected internal virtual string ResolvePropertyName(string propertyName)
		{
			return propertyName;
		}
	}
}
#pragma warning restore 436
#endif